New York-based sustainable investing startup Ethic has raised $6.8 million in its latest funding round. Backers include impact investor Justin Rockefeller and venture capital firms led by former Barclays Global Investors CEO Blake Grossman and ex-Visa president Hans Morris. Sustainable investing is a big business, and it's only getting bigger. JPMorgan values the socially responsible investing market at almost $23 trillion, according to an April report, with US assets in particular up 200% over the last decade. One New York-based startup is tapping into this trend, trying to bridge the gap between investors and the ever-increasing world of sustainable-focused products.